Home / 90,194.13-135,161.76-50,668.05

Finding the Fourth Proportional to 90,194.13, 135,161.76 and 50,668.05

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Solution

The fourth proportional to 90,194.13, 135,161.76 and 50,668.05 is: 75,929.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,194.13 : 135,161.76 = 50,668.05 : x
  2. Step 2: Convert to fraction form
    90,194.13/135,161.76 = 50,668.05/x
  3. Step 3: Cross multiply
    90,194.13x = 135,161.76 × 50,668.05
  4. Step 4: Simplify right side
    90,194.13x = 6,848,382,813.77
  5. Step 5: Solve for x
    x = 6,848,382,813.77/90,194.13
  6. Step 6: Final answer
    x = 75,929.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.